
<div class="t_header">
    <div class="t_header_logo">
        <img src="/logo.png"> {$site_info.site_name|default=''}
    </div>
    <div class="t_header_c">
        <span class="t_header_c_img"></span>
        <div class="t_header_c_bd">
            <ul>
                <li><a href="/teacher/index/index">回到首页</a></li>
                <li><a href="javascript:void()" class="js_logout">退出登录</a></li>
            </ul>
        </div>
    </div>
    <div class="t_header_u">
        <img src="{$userinfo['avatar']}"> {$userinfo['user_nickname']}
    </div>
</div>